93 lines
2.5 KiB
Dart
93 lines
2.5 KiB
Dart
import '../famedlysdk.dart';
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import './platform_infos.dart';
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import 'package:flutter_secure_storage/flutter_secure_storage.dart';
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import 'package:localstorage/localstorage.dart';
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import 'package:path_provider/path_provider.dart';
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import 'dart:async';
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import 'dart:core';
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import './database/shared.dart';
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import 'package:random_string/random_string.dart';
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Future<Database> getDatabase(Client client) async {
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while (_generateDatabaseLock) {
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await Future.delayed(Duration(milliseconds: 50));
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}
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_generateDatabaseLock = true;
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try {
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if (_db != null) return _db;
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final store = Store();
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var password = await store.getItem('database-password');
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var newPassword = false;
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if (password == null || password.isEmpty) {
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newPassword = true;
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password = randomString(255);
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}
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_db = await constructDb(
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logStatements: false,
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filename: 'moor.sqlite',
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password: password,
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);
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if (newPassword) {
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await store.setItem('database-password', password);
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}
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return _db;
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} finally {
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_generateDatabaseLock = false;
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}
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}
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Database _db;
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bool _generateDatabaseLock = false;
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class Store {
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LocalStorage storage;
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final FlutterSecureStorage secureStorage;
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Store()
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: secureStorage = PlatformInfos.isMobile ? FlutterSecureStorage() : null;
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Future<void> _setupLocalStorage() async {
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if (storage == null) {
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final directory = PlatformInfos.isBetaDesktop
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? await getApplicationSupportDirectory()
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: (PlatformInfos.isWeb
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? null
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: await getApplicationDocumentsDirectory());
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storage = LocalStorage('LocalStorage', directory?.path);
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await storage.ready;
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}
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}
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Future<String> getItem(String key) async {
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if (!PlatformInfos.isMobile) {
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await _setupLocalStorage();
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try {
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return await storage.getItem(key)?.toString();
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} catch (_) {
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return null;
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}
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}
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try {
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return await secureStorage.read(key: key);
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} catch (_) {
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return null;
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}
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}
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Future<void> setItem(String key, String value) async {
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if (!PlatformInfos.isMobile) {
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await _setupLocalStorage();
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return await storage.setItem(key, value);
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}
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return await secureStorage.write(key: key, value: value);
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}
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Future<void> deleteItem(String key) async {
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if (!PlatformInfos.isMobile) {
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await _setupLocalStorage();
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return await storage.deleteItem(key);
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}
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return await secureStorage.delete(key: key);
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}
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}
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